The efficiency with which energy or biomass is transferred from one trophic level to the next is called the ecological efficiency. Consumers at each level convert on average only about 10% of the chemical energy in their food to their own organic tissue (the ten-percent law).
Key Concept: What is the â rhetorical situation â? It is the position of your writing in relation to various elements that affect the content and comprehension of your words--the identity of the writer, the purpose, the audience, the topic, and the context for writing.
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